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While Neural Radiance Fields (NeRFs) have demonstrated exceptional quality, their protracted training duration remains a limitation. Generalizable and MVS-based NeRFs, although capable of mitigating training time, often incur tradeoffs in…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Chih-Hai Su , Chih-Yao Hu , Shr-Ruei Tsai , Jie-Ying Lee , Chin-Yang Lin , Yu-Lun Liu

3D shape matching is a long-standing problem in computer vision and computer graphics. While deep neural networks were shown to lead to state-of-the-art results in shape matching, existing learning-based approaches are limited in the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Dongliang Cao , Florian Bernard

Supervised multi-view stereo (MVS) methods have achieved remarkable progress in terms of reconstruction quality, but suffer from the challenge of collecting large-scale ground-truth depth. In this paper, we propose a novel self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-08-22 Yikang Ding , Qingtian Zhu , Xiangyue Liu , Wentao Yuan , Haotian Zhang , Chi Zhang

Recent cost volume pyramid based deep neural networks have unlocked the potential of efficiently leveraging high-resolution images for depth inference from multi-view stereo. In general, those approaches assume that the depth of each pixel…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Jiayu Yang , Jose M. Alvarez , Miaomiao Liu

Vision Transformer (ViT) has emerged as a powerful architecture in the realm of modern computer vision. However, its application in certain imaging fields, such as microscopy and satellite imaging, presents unique challenges. In these…

Computer Vision and Pattern Recognition · Computer Science 2024-04-22 Yujia Bao , Srinivasan Sivanandan , Theofanis Karaletsos

We present a real-time visual-inertial dense mapping method capable of performing incremental 3D mesh reconstruction with high quality using only sequential monocular images and inertial measurement unit (IMU) readings. 6-DoF camera poses…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Yingye Xin , Xingxing Zuo , Dongyue Lu , Stefan Leutenegger

In this paper we show how to perform scene-level inverse rendering to recover shape, reflectance and lighting from a single, uncontrolled image using a fully convolutional neural network. The network takes an RGB image as input, regresses…

Computer Vision and Pattern Recognition · Computer Science 2021-02-15 Ye Yu , William A. P. Smith

Classical pixel-based Visual Servoing (VS) approaches offer high accuracy but suffer from a limited convergence area due to optimization nonlinearity. Modern deep learning-based VS methods overcome traditional vision issues but lack…

Robotics · Computer Science 2023-10-03 Salar Asayesh , Hossein Sheikhi Darani , Mo chen , Mehran Mehrandezh , Kamal Gupta

We propose a learning-based multi-view stereo (MVS) method in scattering media, such as fog or smoke, with a novel cost volume, called the dehazing cost volume. Images captured in scattering media are degraded due to light scattering and…

Computer Vision and Pattern Recognition · Computer Science 2020-12-03 Yuki Fujimura , Motoharu Sonogashira , Masaaki Iiyama

Recent deep multi-view stereo (MVS) methods have widely incorporated transformers into cascade network for high-resolution depth estimation, achieving impressive results. However, existing transformer-based methods are constrained by their…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Sicheng Wang , Hao Jiang , Lei Xiang

Existing self-supervised learning methods based on contrastive learning and masked image modeling have demonstrated impressive performances. However, current masked image modeling methods are mainly utilized in natural images, and their…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Xiangtao Wang , Ruizhi Wang , Biao Tian , Jiaojiao Zhang , Shuo Zhang , Junyang Chen , Thomas Lukasiewicz , Zhenghua Xu

This work delves into unsupervised monocular depth estimation in endoscopy, which leverages adjacent frames to establish a supervisory signal during the training phase. For many clinical applications, e.g., surgical navigation, temporally…

Computer Vision and Pattern Recognition · Computer Science 2025-02-18 Shuwei Shao , Zhongcai Pei , Weihai Chen , Xingming Wu , Zhong Liu

Multi-view stereo (MVS) models based on progressive depth hypothesis narrowing have made remarkable advancements. However, existing methods haven't fully utilized the potential that the depth coverage of individual instances is smaller than…

Computer Vision and Pattern Recognition · Computer Science 2025-05-20 Yinzhe Wang , Yiwen Xiao , Hu Wang , Yiping Xu , Yan Tian

We propose a cost volume-based neural network for depth inference from multi-view images. We demonstrate that building a cost volume pyramid in a coarse-to-fine manner instead of constructing a cost volume at a fixed resolution leads to a…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Jiayu Yang , Wei Mao , Jose M. Alvarez , Miaomiao Liu

Multi-view stereo (MVS) is the golden mean between the accuracy of active depth sensing and the practicality of monocular depth estimation. Cost volume based approaches employing 3D convolutional neural networks (CNNs) have considerably…

Computer Vision and Pattern Recognition · Computer Science 2020-08-26 Ayan Sinha , Zak Murez , James Bartolozzi , Vijay Badrinarayanan , Andrew Rabinovich

Recent studies have adapted generative Multimodal Large Language Models (MLLMs) into embedding extractors for vision tasks, typically through fine-tuning to produce universal representations. However, their performance on video remains…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Issar Tzachor , Dvir Samuel , Rami Ben-Ari

Deep-learning metrics have recently demonstrated extremely good performance to match image patches for stereo reconstruction. However, training such metrics requires large amount of labeled stereo images, which can be difficult or costly to…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Stepan Tulyakov , Anton Ivanov , Francois Fleuret

The photometric stereo (PS) problem consists in reconstructing the 3D-surface of an object, thanks to a set of photographs taken under different lighting directions. In this paper, we propose a multi-scale architecture for PS which,…

Computer Vision and Pattern Recognition · Computer Science 2023-10-05 Clément Hardy , Yvain Quéau , David Tschumperlé

Deep learning has recently demonstrated its excellent performance on the task of multi-view stereo (MVS). However, loss functions applied for deep MVS are rarely studied. In this paper, we first analyze existing loss functions' properties…

Computer Vision and Pattern Recognition · Computer Science 2024-04-09 Qinglu Min , Jie Zhao , Zhihao Zhang , Chen Min

Certifiably robust defenses against adversarial patches for image classifiers ensure correct prediction against any changes to a constrained neighborhood of pixels. PatchCleanser arXiv:2108.09135 [cs.CV], the state-of-the-art certified…

Computer Vision and Pattern Recognition · Computer Science 2023-06-23 Aniruddha Saha , Shuhua Yu , Arash Norouzzadeh , Wan-Yi Lin , Chaithanya Kumar Mummadi